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Cyrus Hall McCormick (February 15, 1809 – May 13, 1884) was an American inventor and founder of the McCormick Harvesting Machine Company, which became part of International Harvester Company in 1902. From the Blue Ridge Mountains of Virginia, he and many members of his family became prominent residents of Chicago. Although McCormick is credited as the "inventor" of the mechanical reaper, he based his work on that of many others, including Roman, Scottish and American men, more than two decades of work by his father, and the aid of Jo Anderson, a slave held by his family. Cyrus McCormick filed patents for the invention, and his achievements were chiefly in the development of a company, marketing and sales force to market his products. ==Early life and career== Cyrus McCormick was born February 15, 1809 in the Shenandoah Valley of Virginia. He was the eldest of eight children born to inventor Robert McCormick, Jr. (1780–1846) and Mary Ann "Polly" Hall (1780–1853). As Cyrus' father saw the potential of the design for a mechanical reaper, he applied for a patent to claim it as his own invention. He worked for 28 years on a horse-drawn mechanical reaper to harvest grain; however, he was never able to reproduce a reliable version. Cyrus took up the project. He was aided by Jo Anderson, an enslaved African American on the McCormick plantation at the time. A few machines based on a design of Patrick Bell of Scotland (which had not been patented) were available in the United States in these years. The Bell machine was pulled by horses. The McCormick design was pulled by horses and cut the grain to one side of the team. Cyrus McCormick held one of his first demonstrations of mechanical reaping at the nearby village of Steeles Tavern, Virginia in 1831. He claimed to have developed a final version of the reaper in 18 months. The young McCormick was granted a patent on the reaper on June 21, 1834, two years after having been granted a patent for a self-sharpening plow.〔http://www.encyclopedia.com/topic/Cyrus_Hall_McCormick.aspx〕 However, none were sold, because the machine could not handle varying conditions. The McCormick family also worked together in a blacksmith/metal smelting business. The panic of 1837 almost caused the family to go into bankruptcy when a partner pulled out. In 1839 McCormick started doing more public demonstrations of the reaper, but local farmers still thought the machine was unreliable. He did sell one in 1840, but none for 1841. Using the endorsement of his father's first customer for a machine built by McPhetrich, Cyrus continuously attempted to improve the design. He finally sold seven reapers in 1842, 29 in 1843, and 50 in 1844. They were all built manually in the family farm shop. He received a second patent for reaper improvements on January 31, 1845.〔 As word spread about the reaper, McCormick noticed orders arriving from farther west, where farms tended to be larger and the land flatter. While he was in Washington, DC to get his 1845 patent, he heard about a factory in Brockport, New York, where he contracted to have the machines mass-produced. He also licensed several others across the country to build the reaper, but their quality often proved poor, which hurt the product's reputation.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Cyrus McCormick」の詳細全文を読む スポンサード リンク
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